| But built-in systems tend to be expensive, are not extensible, and may quickly be out of date. |
| For developers it provides an open, extensible and participative environment. |
| It is classified as an extensible language because it allows users to define their own tags. |
| So extensible is viscous glass that it can be drawn out into a filament sufficiently fine and elastic to be woven into a fabric. |
| This is far from the only extensible platform out there and everybody has their personal pet peeves with the code base. |
| A long, glutinous, extensible tongue hung out of its mouth, and fished up the ants that constituted its principal food. |
